ZOU Xiaoyan · BEIJINGXUGUANG

573rank
-68.0Butler · 110 bds
-0.62per board
±4.3swing
-1.27vs par /bd · #547/567
-0.54adjusted /bd
Butler per round: -21.1 16.5 -1.8 -26.4 2.4 10.5 -12.1 1.3 2.2 0.8 -40.3by round

vs par split: bidding -0.72 · play -0.60

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.54/bd

Card play — on target: opening leads 71.0% #499 of 567 · declarer play 87.0% #65 of 567 · defence 72.7% #545 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (9)72.7% (22)
Declarer play88.9% (9)85.7% (14)
Defence66.7% (15)75.0% (40)

Opening leads by suit led: ♠ 66.7% (9) · ♥ 83.3% (12) · ♦ 83.3% (6) · ♣ 25.0% (4)

vs par by strain: NT -1.51 (37) · a suit -1.21 (72)

vs par by level: part-score -0.74 (43) · game -1.48 (62) · slam -4.75 (4)

By role: declaring -1.23/bd (-4.02 vs par · 55) · defending -0.01/bd (+1.47 vs par · 55)

By vulnerability: vulnerable -0.36/bd (-0.85 vs par · 54) · not vulnerable -0.87/bd (-1.68 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Q.JiangJ.Liu – Y.CaiClosed10-21.1-2.11-0.40
Round 3Q.JiangX.Zhang – Z.ZhuOpen10+16.5+1.65+2.80
Round 5Q.JiangW.Wang – Y.ZhengClosed10-1.8-0.18+0.40
Round 6Q.JiangA.Wildavsky – K.RosenbergClosed10-26.4-2.64-1.20
Round 7Q.JiangS.Shao – Y.WuClosed10+2.4+0.24-2.70
Round 8D.WangM.Copur – O.EkinciClosed10+10.5+1.05+1.20
Round 9N.LiZ.Tang – Y.TaoOpen10-12.1-1.21-4.40
Round 10D.WangS.Roh – D.KimClosed10+1.3+0.13-2.00
Round 12J.LongD.Wang – Z.ZengOpen10+2.2+0.22+0.60
Round 13Q.JiangM.Zonca – F.TiscorniaClosed10+0.8+0.08-1.80
Round 15Q.JiangJ.Zhao – F.YangClosed10-40.3-4.03-6.50

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+9.1Round 13ANIT NEGRA104♥x♠5-2+12
+8.2Round 7SHANGHAI GUHUA72♣x♠3-2+9
+7.5Round 3ZJJDWUHANYUAN213NT♦3-1+11
+6.8Round 12HUBEI FUXING274♠♥J-2+11
+6.8Round 13ANIT NEGRA33NT♠5-1+12
+6.4Round 9JSQX NJZS BRIDGECLUB223NT♠7=+7
+6.1Round 8TURKEY Seniors193NT♠2=+0
+5.7Round 2WUHAN DONGFANG204♠♦2-1+12
+5.5Round 6SIVY A253NT♥2-3+9
+5.5Round 10SEOUL OPEN12♦x♠8=+3
+5.2Round 8TURKEY Seniors185♦x♠8=+3
+5.0Round 5ASYMCHEM134♠♣Q=+0
+5.0Round 12HUBEI FUXING262♠♣6=+6
+4.7Round 12HUBEI FUXING211♠♦A-1+4
+4.4Round 5ASYMCHEM174♠♦A-1+5
+4.2Round 7SHANGHAI GUHUA93NT♠2=-13
+4.1Round 15CCSA231NT♠K=+5
+3.7Round 3ZJJDWUHANYUAN293♠♥A+1-1
+3.6Round 8TURKEY Seniors124♥♦K+2+11
+3.5Round 8TURKEY Seniors165♦♥Q-2+7
+3.3Round 10SEOUL OPEN54♥♠6-2+0
+3.1Round 2WUHAN DONGFANG163♦♠3=+0
+3.1Round 10SEOUL OPEN73NT♥6=+0
+2.9Round 3ZJJDWUHANYUAN282♥♠Q+3+6
+2.8Round 13ANIT NEGRA22♥♠8-3-8
+2.7Round 3ZJJDWUHANYUAN273NT♠5+1+4
+2.6Round 7SHANGHAI GUHUA22NT♠Q-1+5
+2.5Round 5ASYMCHEM141NT♠3-1-3
+2.5Round 7SHANGHAI GUHUA63♥♦6-3+3
+2.4Round 10SEOUL OPEN64♠♣10-1+6
+2.4Round 12HUBEI FUXING226♣♦J=-2
+2.2Round 7SHANGHAI GUHUA104♥♦3-1-1
+1.9Round 8TURKEY Seniors175♦♥6-2+5
+1.7Round 3ZJJDWUHANYUAN232NT♣2-1+5
+1.6Round 5ASYMCHEM152♥♠A=+5
+1.4Round 12HUBEI FUXING303NT♠10-1+5
+1.2Round 9JSQX NJZS BRIDGECLUB283♥♣10-1+4
+1.1Round 3ZJJDWUHANYUAN264♥♠K+2+13
+1.0Round 10SEOUL OPEN86NT♦6+1-11
+0.8Round 12HUBEI FUXING292♠♣4+2+1
+0.6Round 9JSQX NJZS BRIDGECLUB293♥♠Q-2-2
+0.5Round 8TURKEY Seniors153NT♠4+1+0
+0.5Round 9JSQX NJZS BRIDGECLUB263NT♥9+2-12
+0.4Round 12HUBEI FUXING243NT♠2-4-6
+0.3Round 2WUHAN DONGFANG123♥♦2-1+10
+0.2Round 5ASYMCHEM112♠♠4+1+0
+0.2Round 7SHANGHAI GUHUA13♥♥3-1-2
+0.2Round 10SEOUL OPEN33♣♦10+2-6
+0.0Round 5ASYMCHEM121NT♦5-1+2
+0.0Round 8TURKEY Seniors143NT♣J+2+0
-0.1Round 3ZJJDWUHANYUAN223NT♣Q-1-5
-0.1Round 13ANIT NEGRA93NT♠6+1+1
-0.2Round 13ANIT NEGRA73NT♣5=+2
-0.2Round 15CCSA243NT♠6+2+0
-0.3Round 3ZJJDWUHANYUAN304♥♠A+1+0
-0.5Round 15CCSA253NT♣6+1+0
-0.6Round 3ZJJDWUHANYUAN245♦♥2+1+1
-0.6Round 5ASYMCHEM163♣♥K+1+7
-0.6Round 6SIVY A232♥♦A=+1
-0.7Round 8TURKEY Seniors133♠♠2-1-1
-0.8Round 2WUHAN DONGFANG114♥x♣K-2+3
-1.1Round 13ANIT NEGRA42♥♣8=+0
-1.3Round 6SIVY A213NT♥J-2+5
-1.3Round 7SHANGHAI GUHUA83NT♦Q=-11
-1.3Round 12HUBEI FUXING284♠♠6+2+11
-1.4Round 10SEOUL OPEN9Pass+3
-1.7Round 9JSQX NJZS BRIDGECLUB255♥♦7+1-11
-1.8Round 6SIVY A242♦♣7+2-1
-1.8Round 9JSQX NJZS BRIDGECLUB304♠♦Q-1-10
-1.9Round 9JSQX NJZS BRIDGECLUB243♥♠3-2-5
-2.0Round 6SIVY A275♠♥A-1-8
-2.1Round 3ZJJDWUHANYUAN253♥♦A=-6
-2.2Round 13ANIT NEGRA12♥♦Q+2-6
-2.3Round 10SEOUL OPEN102♠♥10+1-1
-2.7Round 2WUHAN DONGFANG183♥♠A-2-5
-3.3Round 2WUHAN DONGFANG154♦♠2=-2
-3.3Round 7SHANGHAI GUHUA45♦♠3+1-3
-3.3Round 15CCSA221♥♠7+1-10
-3.3Round 15CCSA283NT♥J+2-11
-3.6Round 5ASYMCHEM182NT♠4=+1
-3.6Round 8TURKEY Seniors203NT♥2-2-7
-3.7Round 10SEOUL OPEN42♠♥5=-6
-4.1Round 6SIVY A283NT♣5-1-6
-4.3Round 13ANIT NEGRA54♥♠7=-11
-4.4Round 2WUHAN DONGFANG131NT♦K-1-5
-4.4Round 9JSQX NJZS BRIDGECLUB234♠♦5=-14
-4.4Round 15CCSA306♣♦A-2-6
-4.8Round 9JSQX NJZS BRIDGECLUB214♥♠J+1-1
-4.9Round 6SIVY A262♦♥5-1-6
-4.9Round 13ANIT NEGRA64♥♣6-1-10
-5.1Round 5ASYMCHEM204♠♣2-1-6
-5.1Round 13ANIT NEGRA83NT♠7+2-10
-5.2Round 2WUHAN DONGFANG193NT♦2-1-6
-5.2Round 6SIVY A221NT♠6-2-6
-5.2Round 15CCSA273♠♥3=-6
-5.4Round 7SHANGHAI GUHUA52♠♣4+2-7
-5.5Round 6SIVY A303NT♠4=+0
-6.0Round 8TURKEY Seniors113♠♥A+2-6
-6.2Round 5ASYMCHEM194♠♦5=-7
-6.2Round 9JSQX NJZS BRIDGECLUB274♠♥A=+0
-6.3Round 2WUHAN DONGFANG174♠♥A=+0
-6.3Round 15CCSA294♥♠K-1-12
-6.5Round 6SIVY A296♠♦J=+0
-6.8Round 10SEOUL OPEN23♠♥A+1-8
-7.5Round 2WUHAN DONGFANG143NT♥2=-11
-7.5Round 7SHANGHAI GUHUA33NT♣A=-7
-7.9Round 12HUBEI FUXING254♥♣K+2-14
-8.5Round 15CCSA265♦x♠6-1-13
-10.1Round 12HUBEI FUXING234♥♣5=-10
-12.7Round 15CCSA215♦x♥A-4-12